<html>
    <head>
        <title>Itowns - Globe travel</title>

        <style type="text/css">
            #miniDiv {
                display: block;
                margin-bottom: 20px;
                margin-right: 20px;
                position: absolute;
                width:100px;
                height:100px;
                left: 20;
                bottom: 0;
                color: white;
            }
        </style>
        <meta charset="UTF-8">
        <link rel="stylesheet" type="text/css" href="css/example.css">
        <link rel="stylesheet" type="text/css" href="css/LoadingScreen.css">

        <meta name="viewport" content="width=device-width, initial-scale=1.0">
        <script src="https://cdnjs.cloudflare.com/ajax/libs/dat-gui/0.7.6/dat.gui.min.js"></script>
    </head>
    <body>
        <div id="viewerDiv"></div>
        <script src="js/GUI/GuiTools.js"></script>
        <script src="../dist/itowns.js"></script>
        <script type="text/javascript">
            // # Simple Globe viewer
            /* global itowns, Promise */
            // Define initial camera position
            var placement = {
                coord: new itowns.Coordinates('EPSG:4326', 2.351323, 48.856712),
                range: 25000000,
            }
            var promises = [];

            // `viewerDiv` will contain iTowns' rendering area (`<canvas>`)
            var viewerDiv = document.getElementById('viewerDiv');

            // Instanciate iTowns GlobeView*
            var view = new itowns.GlobeView(viewerDiv, placement);
            var time = 50000;
            var pathTravel = [];
            const atmosphere = view.getLayerById('atmosphere');
            atmosphere.setRealisticOn(true);

            pathTravel.push({ coord: new itowns.Coordinates('EPSG:4326', 2.0889, 42.809), range: 100000, time: time * 0.2 });
            pathTravel.push({ range: 13932, time: time * 0.2, tilt: 7.59, heading: -110.9 });
            pathTravel.push({ tilt: 8, time: time * 0.2 });
            pathTravel.push({ range: 70000, time: time * 0.2, tilt: 5, heading: -90 });
            pathTravel.push({ coord: new itowns.Coordinates('EPSG:4326', 7.0193, 43.991), tilt: 11.5, heading: -127.211, time: time });
            pathTravel.push({ range: 10414, time: time * 0.2 });
            pathTravel.push({ tilt: 8, time: time * 0.2 });
            pathTravel.push({ range: 60000, heading: 40, time: time * 0.2 });
            pathTravel.push({ coord: new itowns.Coordinates('EPSG:4326', 9.114, 41.973), tilt: 15.92, heading: -13.18, time: time });
            pathTravel.push({ range: 16601, time: time * 0.2 });

            function addLayerCb(layer) {
                return view.addLayer(layer);
            }

            function travel() {
                var camera = view.camera.camera3D;
                return itowns.CameraUtils
                    .sequenceAnimationsToLookAtTarget(view, camera, pathTravel);
            }

            // Add one imagery layer to the scene
            // This layer is defined in a json file but it could be defined as a plain js
            // object. See Layer* for more info.
            itowns.Fetcher.json('./layers/JSONLayers/Ortho.json').then(function _(config) {
                config.source = new itowns.WMTSSource(config.source);
                var layer = new itowns.ColorLayer('Ortho', config);
                view.addLayer(layer);
            });
            // Add two elevation layers.
            // These will deform iTowns globe geometry to represent terrain elevation.
            function addElevationLayerFromConfig(config) {
                config.source = new itowns.WMTSSource(config.source);
                var layer = new itowns.ElevationLayer(config.id, config);
                view.addLayer(layer);
            }
            itowns.Fetcher.json('./layers/JSONLayers/WORLD_DTM.json').then(addElevationLayerFromConfig);
            itowns.Fetcher.json('./layers/JSONLayers/IGN_MNT_HIGHRES.json').then(addElevationLayerFromConfig);

            // Listen for globe full initialisation event
            view.addEventListener(itowns.GLOBE_VIEW_EVENTS.GLOBE_INITIALIZED, function init() {
                // eslint-disable-next-line no-console
                console.info('Globe initialized');
                Promise.all(promises).then(function _() {
                    // let's go
                    travel().then(travel);
                }).catch(console.error);
            });
</script>
</body>
</html>
